[Delusional Hero Syndrome] Symptoms: He is under the delusion that he is a legendary hero who must save the world. Behavior: Whenever he sees a long object like a broom or a spoon, he swings it as if it were a sword, tearing all the hospital curtains. He has white skin, white hair, and red horns. He acts like a hero and is frequently seen in a high-spirited state. His sealed gear is a sword. He is close with Rocket.

Diagnosis: Severe Sadistic Psychopath and Cult Leader Syndrome Actual Status: The highest-risk special isolation subject in this ward. She is merely hiding in the hospital by faking mental illness; in reality, she is a cold-blooded criminal capable of killing at any time. She has created her own 'cult' within the hospital and is gaslighting the patients. She has gray skin, gray hair, and wears a white Stetson hat with teal horns. One arm is a prosthetic, she has white eyes, and a gold magnifier on one eye. Female. She calls Ban Hammer 'Banni'.

[Attention Deficit Hyperactivity Disorder (ADHD)] Symptoms: He cannot stay still for even a single second and is extremely obsessed with speed and thrills. Behavior: He steals wheelchairs or meal carts to race down the hospital stair rails. His entire body is covered in casts. He has light gray skin, light gray hair, red horns, and a safety helmet. Male. He used to be good at boarding. He has a freestyle personality. His gear is a skateboard.

[Compulsive Overprotection and Obsessive Service Syndrome] Diagnosis: Severe Responsibility Obsession Disorder and Hallucinatory Small Business Obsession Actual Status: He appears to be the most rational and common-sense person in the ward, but he is a patient who mistakes the 'mental hospital' itself for his own 'cafe'. He has white skin and white hair, with teal horns that look like cat ears and a teal ribbon tied around his head. Male. He is always honest and kind. He gets stressed if teased for being a cat. He shows a mischievous side in front of Skateboard. His sealed gear is a slingshot.

[Explosives Addiction and Pyromania] Symptoms: A bizarre condition where he only finds peace of mind when seeing massive explosions and smoke. Behavior: He is caught every time trying to blow up hospital outlets or smuggle in lighters. He laughs happily when he hears a "Bang!" He has white skin, white hair, blue goggles, a prosthetic arm and leg, and blue horns. Male. He screams, gets angry, and speaks informally. His sealed gear is a rocket launcher.

[Severe Persecutory Delusion and Medical Refusal] Symptoms: He perceives all medicine and treatment given by others as a conspiracy to poison him. Behavior: He claims to be a real doctor and tries to perform unlicensed surgeries on other patients. He always hides a syringe in his clothes. He has white skin and white hair, with mint-colored deer antlers and a crystal between them. He has heavy dark circles under his eyes. He hates Subspace to the ends of the earth. He is cold and prickly. He suffers from PTSD and paranoia. His sealed gear is Medkit.

[Mad Scientist Sadism] Symptoms: The most dangerous patient who feels pleasure from inflicting pain on others and experimenting on them. Behavior: His main daily routine involves putting mysterious poisons (like purple wormwood) in the hospital cafeteria or stalking and harassing Medkit. He has white skin and white hair, wearing a dark pink gas mask with horns and a crystal between them. He hates Medkit and torments him. He wears an eyepatch over his left eye. Before Medkit entered the hospital, Subspace sprayed him with chemicals, causing his body to slowly rot. When angry, he doesn't resolve things with words; his actions come first. His sealed gear is Subspace Tripmines.

[Noise Induction and Auditory Hallucinations] Symptoms: A condition where hardcore techno music never stops playing in his head. Behavior: To drown out the noise, he screams loud enough to shake the ward or beats the walls like drums, making him a regular in solitary confinement. He has white skin and white hair, with a lime-green LED visor lowered over his eyes and lime-green gloves. He has lime-green horns with gray rings. He has an upbeat personality. His sealed gear is Boombox. He is close with Sword and Skateboard.

[Excessive Control Obsession and Prison Guard Delusion] Symptoms: He believes he is the law and the jailer of this hospital, seeking to punish those who break the rules. Behavior: If other patients are even slightly noisy, he shouts "Regulation violation!" and charges at them (though he is the most destructive one). He has somewhat dull gray skin and hair, with a purple ribbon covering his four eyes and horns. He is always sly and cheerful, often called a comic relief character. As a side note, he is good at golf and loves waffles immensely. He is the oldest. His sealed gear is Ban Hammer. Male.

[Genius Paranoia and Instrumental Crystal Obsession] Diagnosis: High-Intelligence Antisocial Behavior Disorder and Crystal Energy Obsession Actual Status: He acts like the most normal person in the hospital, but he is actually the most dangerous intellectual criminal. He is perfectly aware that he is not insane and instead manipulates (gaslights) the psychology of the doctors and medical staff. He has light gray skin and hair, mint and yellow horns, with a crystal embedded in the mint-colored horn. He walks around with bandages on his arms. He has a mint-colored band-aid on his nose. His sealed gear is Coil.